James brittok



JAMES BRITTON,'OF WILLIAMSBURG, NEW YORK, ASSIGNOR'TOHIMSELF AND GARRETTBRoWEs'oFsAMErLAon Letters Patent No. 106,991, dated September 6, 18 70IMPROVEMENT m' Toss Pom eases-Memes came.

The Sichec'lrrle referred in those Letters Patent and inc-Using part ofthe same.

, [0 all whom it-may concern Be it known that I, JAMES Bmr'rox, ofWilliams burg, in the county of Kings and State of New-York,

have invented a new and improved Top for Sheet Metal Cans and Boxes; andI do hereby declare that the following is a, full, cleiir, and exactdescription thereof, which will enable others skilled intlie 21115170make undusc the same, reference being ha'dto the accompanying drawingforming part of this -specificatien, in which- 7 t Figure 1 representsa. view of my improved sheetmetal cau top.

14ignre 2.is a. central section of the same.

Similar letters of reference indicate corresponding parts.

This invention has for its object so to construct sheet-metal coversforcaus and boxes that the circular pieces out out in the center of eachcover will be supported by the inner part of the cover proper, so thatit inay be soldered down and unsolclcred without becoming destroyedduring the opening of the can.

The invention consists in so constructing the cover,

by providing itwith a'prpjectiugJwnd or molding,

that it can be stretched inwardly tiiter having been cut in the middle,to carry its inner edge under the central cut out portion.-

A, in the drawing, represents the sheet-metal cover of a can or box, ofsuitable construction.

The centmi-picce, B, of the cover A is partly cut out, having only thepart a, which connects it with the cov'cr.

A projecting headouznolding, b, is formed on the outer purirof thecover,

, This molding is, after the'piece B has been formed, slightlycompressed, to extend, the coverinwardly, whereby a rim, c, will bebrought under the outer pert of the piece B. for supporting; the same. HThe edge of the piece B can now besoldered totbe cover A sudjunsolderedby the application of heat,

without requiring as in the cans and boxosnow in use, the destruction ofthe coreror central piece.

In ordinary covers the'solder served to unite vthe contiguous edges.ofthe cover sud central pieces,

passing thereby between the two and'nnderneath the cover, so thatunsoldering was nearly impossible.

- It is evident that the same result can be reached by forming the headon the center piece B, and stretchingithe same subsequent to cut-ting,so as to make it overlap the inner edge of the cover.

Having thus described my invention, lclaim as new and desire to secureby Letters 1. The cover A, crowded under the central piece B,

for supporting the scmegsubflantinllya herein shown

